146439936 has 54 divisors (see below), whose sum is σ = 422229080. Its totient is φ = 48812544.

The previous prime is 146439929. The next prime is 146439949. The reversal of 146439936 is 639934641.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 146439891 and 146439900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29476 + ... + 34083.

Almost surely, 2^146439936 is an apocalyptic number.

146439936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146439936 is an abundant number, since it is smaller than the sum of its proper divisors (275789144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146439936 is an equidigital number, since it uses as much as digits as its factorization.

146439936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63581 (or 63564 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 146439936 is about 12101.2369615672. The cubic root of 146439936 is about 527.0921036784.

The spelling of 146439936 in words is "one hundred forty-six million, four hundred thirty-nine thousand, nine hundred thirty-six".